He has been the computer for two hours chatting with a boy from Australia.A. inB. onC. at

问题补充：

He has been the computer for two hours, chatting with a boy from Australia.

A. in

B. on

C. at

D. by

答案：

A. in

B. on

C. at

D. by

解析：考查固定搭配。句意 他呆在电脑旁两个小时了，与一个来自澳大利亚的男孩聊天。Be at the computer 在电脑上，表示状态，后面有for two hours，所以选C项。

考点 :考查固定搭配

如果觉得《He has been the computer for two hours chatting with a boy from Australia.A. inB. onC. at》对你有帮助，请点赞、收藏，并留下你的观点哦！